. >>> in phoenix, arizona, accused murderer jodi arias is one step closer to learning her fate in the 2008 murder of her ex-boyfriend. moments from now closing arguments will begin in this high-profile case, which for four straight months unfolded like a lifetime movie. but the sexually explicit revelations, sheering consistencies in arias' testimony and a laundry list of courtroom drama were all too real. nbc's diana alvear is outside the courtroom. what can we expect today? >> reporter: hi, thomas. well, they're going to start with jury instructions then they're going to head straight into closing arguments. you'll be listening for two separate kinds of arguments. prosecutors want to nail down once and for all that jodi arias committed cold-blooded premeditated murder. that she knew what she was doing when she killed travis alexander. for example, she dyed her hair a couple days before she last saw him, that she bought gas cans and filled them up so she wouldn't have to stop at a gas station. the defense wants to get the death penalty off the table. they want to do that by trying to